Index: altium_parser/pcbdoc_ascii.c
===================================================================
--- altium_parser/pcbdoc_ascii.c	(revision 35280)
+++ altium_parser/pcbdoc_ascii.c	(revision 35281)
@@ -264,10 +264,25 @@
 void altium_tree_free(altium_tree_t *tree)
 {
 	altium_block_t *blk;
+	altium_record_t *rec;
+	int n;
 
 	for(blk = gdl_first(&tree->blocks); blk != NULL; blk = gdl_first(&tree->blocks)) {
 		gdl_remove(&tree->blocks, blk, link);
 		free(blk);
 	}
+
+	for(n = 0; n < altium_kw_record_SPHASH_MAXVAL+1; n++) {
+		for(rec = gdl_first(&tree->rec[n]); rec != NULL; rec = gdl_first(&tree->rec[n])) {
+			altium_field_t *field;
+
+			for(field = gdl_first(&rec->fields); field != NULL; field = gdl_first(&rec->fields)) {
+				gdl_remove(&rec->fields, field, link);
+				free(field);
+			}
+			gdl_remove(&tree->rec[n], rec, link);
+			free(rec);
+		}
+	}
 }